Brand new in box. Connects perfectly with Home Assistant using Z2M or ZHA. Let me know if you have any questions, happy to help. NB: comes without batteries, the one shown in picture is for illustration purposes only. The IKEA BADRING Water Leak Sensor Detector is a smart device that works with the IKEA DIRIGERA TRADFRI system. It is a white, battery-powered unit with dimensions of 7 cm in length, 4 cm in width, and 1.9 cm in height. It features mobile and audio alerts for detecting water leaks in your home. The sensor is compatible with IKEA smart home systems and uses ZigBee protocol for communication. With its sleek design and reliable functionality, the IKEA BADRING Water Leak Sensor Detector is an essential addition to your home security setup.